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In which of the following industries did Andrew
Carnegie work? Check all of the boxes that apply.
The Pennsylvania Railroad
Oil refineries
Bridge construction

Sagot :

Answer:

The Pennsylvania Railroad, Bridge construction

steel,stel,steal,stele,stel,stiel

He invested in new technology.

Explanation:

Perezjuan070607idn

Answer:

The Person above is correct ! And thankfully they actually put all the questions instead of just one part of the three.

Explanation:

E D G E

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